CN113213863A - High-gelation water-quenched slag permeable pavement material and manufacturing method thereof - Google Patents
High-gelation water-quenched slag permeable pavement material and manufacturing method thereof Download PDFInfo
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- CN113213863A CN113213863A CN202110508848.5A CN202110508848A CN113213863A CN 113213863 A CN113213863 A CN 113213863A CN 202110508848 A CN202110508848 A CN 202110508848A CN 113213863 A CN113213863 A CN 113213863A
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- 239000000463 material Substances 0.000 title claims abstract description 104
- 239000002893 slag Substances 0.000 title claims abstract description 102
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000001879 gelation Methods 0.000 title claims abstract description 5
- 239000004575 stone Substances 0.000 claims abstract description 58
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 16
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 16
- 238000005282 brightening Methods 0.000 claims abstract description 16
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000003822 epoxy resin Substances 0.000 claims abstract description 16
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 53
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 20
- 235000019738 Limestone Nutrition 0.000 claims description 20
- 229910052799 carbon Inorganic materials 0.000 claims description 20
- 239000003245 coal Substances 0.000 claims description 20
- 239000013078 crystal Substances 0.000 claims description 20
- 239000006028 limestone Substances 0.000 claims description 20
- 239000010453 quartz Substances 0.000 claims description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 20
- 238000010791 quenching Methods 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 15
- 230000000171 quenching effect Effects 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 15
- 239000000498 cooling water Substances 0.000 claims description 10
- 239000012943 hotmelt Substances 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 10
- 238000005303 weighing Methods 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 9
- 238000005188 flotation Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 238000003723 Smelting Methods 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 5
- 238000005469 granulation Methods 0.000 claims description 5
- 230000003179 granulation Effects 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 239000002689 soil Substances 0.000 claims description 5
- 238000009628 steelmaking Methods 0.000 claims description 5
- 230000035699 permeability Effects 0.000 abstract description 6
- 239000011148 porous material Substances 0.000 abstract description 2
- 210000004127 vitreous body Anatomy 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 239000011449 brick Substances 0.000 description 9
- 210000003128 head Anatomy 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/08—Slag cements
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/04—Pavings made of prefabricated single units made of bricks
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Road Paving Structures (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a high-gelation water-quenched slag permeable pavement material which is prepared from broken stones, high-gelation water-quenched slag, modified high-molecular epoxy resin, an antioxidant, a brightening agent and talcum powder. The permeable pavement of the invention has simple and easily obtained manufacturing materials and relatively simple production process, can be produced in large batch, and the high-gel water-quenched slag treated by the special process has large pores, high strength and good wear resistance, contains a large amount of high-gel water-quenched slag of vitreous bodies inside, can obtain the pavement paving material with high compressive and flexural strength, large permeability coefficient and good wear resistance after being mixed with materials such as broken stones and the like, and utilizes the water-quenched slag which is waste to form a novel permeable material.
Description
Technical Field
The invention relates to the technical field of building material processing, in particular to a high-gel water-quenched slag permeable pavement material and a manufacturing method thereof.
Background
The water permeable bricks are called water permeable bricks, and along with the gradual acceptance of the ecological sponge city concept, the water permeable bricks are applied more and more in the hardening and paving of the urban ground. The water permeable brick has three very key performance indexes: water permeability, compressive strength and abrasion resistance. Wherein, the water permeability highly has decided the water permeability of the brick body, and the water permeability is crossed lowly and will lead to rainwater infiltration rate too slow to form the surface runoff easily on the ground of mating formation. The compressive strength and the wear resistance determine the service durability of the water permeable brick, for example, if the compressive strength is too low, the water permeable brick is easy to be damaged due to the treading of pedestrians or the rolling of non-motor vehicle wheels, and if the wear resistance is too low, the surface of the brick body is easy to wear, so that the service life of the brick body is influenced.
Disclosure of Invention
The invention aims to provide a high-gelatinization water-quenching slag permeable pavement material and a manufacturing method thereof, and aims to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the manufacturing materials of the high-gel water-quenched slag permeable pavement material comprise 35-40% of broken stone, 52-57% of high-gel water-quenched slag, 1.5-2% of modified high-molecular epoxy resin, 0.1-0.2% of antioxidant, 0.3-0.4% of brightening agent and 0.4-0.6% of talcum powder by mass percent.
Further, the manufacturing method of the high-gel water-quenched slag permeable pavement material comprises the following steps:
s1: firstly, weighing corresponding macadam, high-gel water-quenched slag, modified high-molecular epoxy resin, an antioxidant, a brightening agent and talcum powder for later use;
s2: washing the crushed stone and the high-gel water-quenched slag weighed in the step S1 to remove soil and surface micro-dust attachments on the surfaces of the crushed stone and the high-gel water-quenched slag, so that the mud content on the surfaces of the crushed stone and the water-quenched slag is less than or equal to 0.5 percent;
s3: drying the crushed stone and the high-gel water-quenched slag after the water washing in the step S2;
s4: putting the crushed stone and the high gel water-quenched slag dried in the step S2 into a stirrer, and putting the modified high polymer epoxy resin, the antioxidant, the brightening agent and the talcum powder weighed in the step S1 into the stirrer to be stirred, wherein the stirring time is 2-3min, and the stirring speed is 60-70 rpm;
s5: conveying the material stirred and mixed in the step S4 to the inside of a forming machine for forming, wherein the forming machine oscillates at a high frequency of 4500 rpm and 60kn/m in the material forming process2Molding at one time under pressure, and demolding after molding;
s6: and (5) naturally curing the demolded material obtained in the step S5 in a drying chamber for 24-36 hours to obtain the high-gel water-quenched slag permeable pavement material.
3. Further, the preparation method of the high-gel water-quenched slag in the high-gel water-quenched slag permeable pavement material comprises the following steps:
a1: firstly, adding 10-12% by mass of cement serving as a cementing material into the steelmaking or copper smelting flotation tailings, adding water into the tailings, and stirring for 60-70s to obtain a mixed material;
a2: conveying the mixed material obtained in the step A1 to a forming machine for forming treatment, pressing the mixed material into a square material block of 10 x 10 by the forming machine, and naturally curing the square material block for 3-5 days after forming;
a3: then weighing the carbon crystal, the limestone, the coal gangue and the quartz stone for later use, putting the weighed carbon crystal, limestone, coal gangue and quartz stone into a blast furnace from the upper part for gradual temperature rise, and when the temperature of the furnace reaches 1550-1600 ℃ after the input material reaches the center of the furnace, the input material is in a molten state;
a4: and A3, dropping the materials in a molten state in the step A into a lower furnace hearth, allowing the high-temperature hot-melt furnace slag to flow into a diversion water tank through a furnace hearth slag outlet, pressurizing cooling water in the water quenching tank by a circulating water supply pump, conveying the pressurized cooling water to the head of the diversion water tank to impact the high-temperature hot-melt furnace slag for water quenching granulation, dropping the water quenching tank to further rapidly cool, and finally forming the high-gelling water-quenched slag.
Further, the drying process in the step S3 is dried until the water content of the crushed stone and the high-gel water-quenched slag is less than 3%.
Further, the mass percentages of the carbon crystal, the limestone, the coal gangue and the quartz stone are 8% of the carbon crystal, 5% of the limestone, 3% of the coal gangue and 6% of the quartz stone.
The permeable pavement of the invention has simple and easily obtained manufacturing materials and relatively simple production process, can be produced in large batch, and the high-gel water-quenched slag treated by the special process has large pores, high strength and good wear resistance, contains a large amount of high-gel water-quenched slag of vitreous bodies inside, can obtain the pavement paving material with high compressive and flexural strength, large permeability coefficient and good wear resistance after being mixed with materials such as broken stones and the like, and utilizes the water-quenched slag which is waste to form a novel permeable material.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
the manufacturing material of the high-gel water-quenched slag permeable pavement material comprises 35% of crushed stone, 52-57% of high-gel water-quenched slag, 1.5% of modified high-molecular epoxy resin, 0.1% of antioxidant, 0.3% of brightening agent and 0.4% of talcum powder by mass.
Further, the manufacturing method of the high-gel water-quenched slag permeable pavement material comprises the following steps:
s1: firstly, weighing corresponding macadam, high-gel water-quenched slag, modified high-molecular epoxy resin, an antioxidant, a brightening agent and talcum powder for later use;
s2: washing the crushed stone and the high-gel water-quenched slag weighed in the step S1 to remove soil and surface micro-dust attachments on the surfaces of the crushed stone and the high-gel water-quenched slag, so that the surface mud content of the crushed stone and the water-quenched slag is 0.5%;
s3: drying the crushed stone and the high-gel water-quenched slag after the water washing in the step S2;
s4: putting the crushed stone and the high gel water-quenched slag dried in the step S2 into a stirrer, and putting the modified high polymer epoxy resin, the antioxidant, the brightening agent and the talcum powder weighed in the step S1 into the stirrer to be stirred, wherein the stirring time is 2min, and the stirring speed is 60 rpm;
s5: conveying the material stirred and mixed in the step S4 to the inside of a forming machine for forming, wherein the forming machine oscillates at a high frequency of 4500 rpm and 60kn/m in the material forming process2Molding at one time under pressure, and demolding after molding;
s6: and (5) naturally curing the demolded material obtained in the step S5 in a drying chamber for 24 hours to obtain the high-gel water-hardening slag permeable pavement material.
4. Further, the preparation method of the high-gel water-quenched slag in the high-gel water-quenched slag permeable pavement material comprises the following steps:
a1: firstly, adding 10% by mass of cement as a cementing material into the steelmaking or copper smelting flotation tailings, adding water into the flotation tailings, and stirring for 60s to obtain a mixed material;
a2: conveying the mixed material obtained in the step A1 to a forming machine for forming treatment, pressing the mixed material into a square material block of 10 x 10 by the forming machine, and naturally curing the square material block for 3-5 days after forming;
a3: then weighing the carbon crystal, the limestone, the coal gangue and the quartz stone for later use, putting the weighed carbon crystal, limestone, coal gangue and quartz stone into a blast furnace from the upper part for gradual temperature rise, and when the temperature of the furnace reaches 1550-1600 ℃ after the input material reaches the center of the furnace, the input material is in a molten state;
a4: and A3, dropping the materials in a molten state in the step A into a lower furnace hearth, allowing the high-temperature hot-melt furnace slag to flow into a diversion water tank through a furnace hearth slag outlet, pressurizing cooling water in the water quenching tank by a circulating water supply pump, conveying the pressurized cooling water to the head of the diversion water tank to impact the high-temperature hot-melt furnace slag for water quenching granulation, dropping the water quenching tank to further rapidly cool, and finally forming the high-gelling water-quenched slag.
Further, the drying process in the step S3 is dried until the moisture content of the crushed stone and the high-gel water-quenched slag is 2.9%.
Further, the mass percentages of the carbon crystal, the limestone, the coal gangue and the quartz stone are 8% of the carbon crystal, 5% of the limestone, 3% of the coal gangue and 6% of the quartz stone.
Example two:
the manufacturing materials of the high-gel water-quenched slag permeable pavement material comprise, by mass, 40% of broken stone, 52-57% of high-gel water-quenched slag, 2% of modified high-molecular epoxy resin, 0.2% of antioxidant, 0.4% of brightening agent and 0.6% of talcum powder.
Further, the manufacturing method of the high-gel water-quenched slag permeable pavement material comprises the following steps:
s1: firstly, weighing corresponding macadam, high-gel water-quenched slag, modified high-molecular epoxy resin, an antioxidant, a brightening agent and talcum powder for later use;
s2: washing the crushed stone and the high-gel water-quenched slag weighed in the step S1 to remove soil and surface micro-dust attachments on the surfaces of the crushed stone and the high-gel water-quenched slag, so that the surface mud content of the crushed stone and the water-quenched slag is 0.3%;
s3: drying the crushed stone and the high-gel water-quenched slag after the water washing in the step S2;
s4: putting the crushed stone and the high gel water-quenched slag dried in the step S2 into a stirrer, and putting the modified high polymer epoxy resin, the antioxidant, the brightening agent and the talcum powder weighed in the step S1 into the stirrer to be stirred, wherein the stirring time is 3min, and the stirring speed is 70 rpm;
s5: conveying the material stirred and mixed in the step S4 to the inside of a forming machine for forming, wherein the forming machine oscillates at a high frequency of 4500 rpm and 60kn/m in the material forming process2Molding at one time under pressure, and removing the molded productMolding;
s6: and (5) naturally curing the material subjected to demoulding in the step S5 in a drying chamber for 36 hours to obtain the high-gel water-hardening slag permeable pavement material.
5. Further, the preparation method of the high-gel water-quenched slag in the high-gel water-quenched slag permeable pavement material comprises the following steps:
a1: firstly, adding 12% by mass of cement as a cementing material into the steelmaking or copper smelting flotation tailings, adding water into the tailings, and stirring for 70s to obtain a mixed material;
a2: conveying the mixed material obtained in the step A1 to a forming machine for forming treatment, pressing the mixed material into a square material block of 10 x 10 by the forming machine, and naturally curing the square material block for 3-5 days after forming;
a3: then weighing the carbon crystal, the limestone, the coal gangue and the quartz stone for later use, putting the weighed carbon crystal, limestone, coal gangue and quartz stone into a blast furnace from the upper part for gradual temperature rise, and when the temperature of the furnace reaches 1550-1600 ℃ after the input material reaches the center of the furnace, the input material is in a molten state;
a4: and A3, dropping the materials in a molten state in the step A into a lower furnace hearth, allowing the high-temperature hot-melt furnace slag to flow into a diversion water tank through a furnace hearth slag outlet, pressurizing cooling water in the water quenching tank by a circulating water supply pump, conveying the pressurized cooling water to the head of the diversion water tank to impact the high-temperature hot-melt furnace slag for water quenching granulation, dropping the water quenching tank to further rapidly cool, and finally forming the high-gelling water-quenched slag.
Further, the drying process in the step S3 is dried until the water content of the crushed stone and the high-gel water-quenched slag is 2%.
Further, the mass percentages of the carbon crystal, the limestone, the coal gangue and the quartz stone are 8% of the carbon crystal, 5% of the limestone, 3% of the coal gangue and 6% of the quartz stone.
Example three:
the manufacturing materials of the high-gel water-quenched slag permeable pavement material comprise 38% of broken stone, 54% of high-gel water-quenched slag, 1.7% of modified high-molecular epoxy resin, 0.15% of antioxidant, 0.35% of brightening agent and 0.5% of talcum powder by mass.
Further, the manufacturing method of the high-gel water-quenched slag permeable pavement material comprises the following steps:
s1: firstly, weighing corresponding macadam, high-gel water-quenched slag, modified high-molecular epoxy resin, an antioxidant, a brightening agent and talcum powder for later use;
s2: washing the crushed stone and the high-gel water-quenched slag weighed in the step S1 to remove soil and surface micro-dust attachments on the surfaces of the crushed stone and the high-gel water-quenched slag, so that the surface mud content of the crushed stone and the water-quenched slag is 0.4%;
s3: drying the crushed stone and the high-gel water-quenched slag after the water washing in the step S2;
s4: putting the crushed stone and the high gel water-quenched slag dried in the step S2 into a stirrer, and putting the modified high polymer epoxy resin, the antioxidant, the brightening agent and the talcum powder weighed in the step S1 into the stirrer to be stirred, wherein the stirring time is 2.5min, and the stirring speed is 65 rpm;
s5: conveying the material stirred and mixed in the step S4 to the inside of a forming machine for forming, wherein the forming machine oscillates at a high frequency of 4500 rpm and 60kn/m in the material forming process2Molding at one time under pressure, and demolding after molding;
s6: and (5) naturally curing the material subjected to demoulding in the step S5 in a drying chamber for 30 hours to obtain the high-gel water-hardening slag permeable pavement material.
6. Further, the preparation method of the high-gel water-quenched slag in the high-gel water-quenched slag permeable pavement material comprises the following steps:
a1: firstly, adding 11 mass percent of cement as a cementing material into the steelmaking or copper smelting flotation tailings, adding water into the tailings, and stirring for 65 seconds to obtain a mixed material;
a2: conveying the mixed material obtained in the step A1 to a forming machine for forming treatment, pressing the mixed material into a square material block of 10 x 10 by the forming machine, and naturally curing the square material block for 3-5 days after forming;
a3: then weighing the carbon crystal, the limestone, the coal gangue and the quartz stone for later use, putting the weighed carbon crystal, limestone, coal gangue and quartz stone into a blast furnace from the upper part for gradual temperature rise, and when the temperature of the furnace reaches 1550-1600 ℃ after the input material reaches the center of the furnace, the input material is in a molten state;
a4: and A3, dropping the materials in a molten state in the step A into a lower furnace hearth, allowing the high-temperature hot-melt furnace slag to flow into a diversion water tank through a furnace hearth slag outlet, pressurizing cooling water in the water quenching tank by a circulating water supply pump, conveying the pressurized cooling water to the head of the diversion water tank to impact the high-temperature hot-melt furnace slag for water quenching granulation, dropping the water quenching tank to further rapidly cool, and finally forming the high-gelling water-quenched slag.
Further, the drying process in the step S3 is dried until the moisture content of the crushed stone and the high-gel water-quenched slag is 2.5%.
Further, the mass percentages of the carbon crystal, the limestone, the coal gangue and the quartz stone are 8% of the carbon crystal, 5% of the limestone, 3% of the coal gangue and 6% of the quartz stone.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The high-gelation water-quenched slag permeable pavement material is characterized in that: the manufacturing material of the high-gel water-quenched slag permeable pavement material comprises 35-40% of crushed stone, 52-57% of high-gel water-quenched slag, 1.5-2% of modified high-molecular epoxy resin, 0.1-0.2% of antioxidant, 0.3-0.4% of brightening agent and 0.4-0.6% of talcum powder by mass.
2. The manufacturing method of the high-gel water-quenched slag permeable pavement material according to claim 1 is characterized by comprising the following steps of: the manufacturing method of the high-gel water-quenched slag permeable pavement material comprises the following steps:
s1: firstly, weighing corresponding macadam, high-gel water-quenched slag, modified high-molecular epoxy resin, an antioxidant, a brightening agent and talcum powder for later use;
s2: washing the crushed stone and the high-gel water-quenched slag weighed in the step S1 to remove soil and surface micro-dust attachments on the surfaces of the crushed stone and the high-gel water-quenched slag, so that the mud content on the surfaces of the crushed stone and the water-quenched slag is less than or equal to 0.5 percent;
s3: drying the crushed stone and the high-gel water-quenched slag after the water washing in the step S2;
s4: putting the crushed stone and the high gel water-quenched slag dried in the step S2 into a stirrer, and putting the modified high polymer epoxy resin, the antioxidant, the brightening agent and the talcum powder weighed in the step S1 into the stirrer to be stirred, wherein the stirring time is 2-3min, and the stirring speed is 60-70 rpm;
s5: conveying the material stirred and mixed in the step S4 to the inside of a forming machine for forming, wherein the forming machine oscillates at a high frequency of 4500 rpm and 60kn/m in the material forming process2Molding at one time under pressure, and demolding after molding;
s6: and (5) naturally curing the demolded material obtained in the step S5 in a drying chamber for 24-36 hours to obtain the high-gel water-quenched slag permeable pavement material.
3. The high-gel water-quenched slag permeable pavement material according to claim 1, which is characterized in that: the preparation method of the high-gel water-quenched slag in the high-gel water-quenched slag permeable pavement material comprises the following steps:
a1: firstly, adding 10-12% by mass of cement serving as a cementing material into the steelmaking or copper smelting flotation tailings, adding water into the tailings, and stirring for 60-70s to obtain a mixed material;
a2: conveying the mixed material obtained in the step A1 to a forming machine for forming treatment, pressing the mixed material into a square material block of 10 x 10 by the forming machine, and naturally curing the square material block for 3-5 days after forming;
a3: then weighing the carbon crystal, the limestone, the coal gangue and the quartz stone for later use, putting the weighed carbon crystal, limestone, coal gangue and quartz stone into a blast furnace from the upper part for gradual temperature rise, and when the temperature of the furnace reaches 1550-1600 ℃ after the input material reaches the center of the furnace, the input material is in a molten state;
a4: and A3, dropping the materials in a molten state in the step A into a lower furnace hearth, allowing the high-temperature hot-melt furnace slag to flow into a diversion water tank through a furnace hearth slag outlet, pressurizing cooling water in the water quenching tank by a circulating water supply pump, conveying the pressurized cooling water to the head of the diversion water tank to impact the high-temperature hot-melt furnace slag for water quenching granulation, dropping the water quenching tank to further rapidly cool, and finally forming the high-gelling water-quenched slag.
4. The manufacturing method of the high-gel water-quenched slag permeable pavement material according to claim 2, characterized by comprising the following steps: and in the step S3, drying until the water content of the crushed stone and the high-gel water-quenched slag is less than 3 percent.
5. The high-gel water-quenched slag permeable pavement material and the manufacturing method thereof according to claim 3, wherein the material is characterized in that: the mass percentages of the carbon crystal, the limestone, the coal gangue and the quartz stone are 8 percent of the carbon crystal, 5 percent of the limestone, 3 percent of the coal gangue and 6 percent of the quartz stone.
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| CN202110508848.5A CN113213863A (en) | 2021-05-11 | 2021-05-11 | High-gelation water-quenched slag permeable pavement material and manufacturing method thereof |
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| CN202110508848.5A CN113213863A (en) | 2021-05-11 | 2021-05-11 | High-gelation water-quenched slag permeable pavement material and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319311A (en) * | 2022-01-21 | 2022-04-12 | 马鞍山钢铁股份有限公司 | Metallurgical plant and mine railway roadbed filling material and construction method |
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